{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "trigger": true, "arguments": ["attack pattern", "time", "tool", "attacker", "damage amount", "victim", "place", "payment method", "price"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["vulnerable system", "vulnerable system version", "vulnerability", "discoverer", "capabilities", "common vulnerabilities and exposures", "supported platform", "time", "vulnerable system owner"]}, {"event_type": "phishing", "trigger": true, "arguments": ["place", "trusted entity", "attack pattern", "tool", "purpose", "victim", "attacker"]}, {"event_type": "patch vulnerability", "trigger": true, "arguments": ["supported platform", "vulnerability", "patch", "vulnerable system", "releaser", "vulnerable system version", "patch number"]}, {"event_type": "data breach", "trigger": true, "arguments": ["purpose", "time", "tool", "victim", "place", "number of victim", "attacker", "damage amount", "number of data", "compromised data"]}], "input": "In a ransomware attack , hackers place malware on a computer — or system of computers — that restricts access , and then demand payment to undo it ."}
{"ransom": [{"trigger": "a ransomware attack", "arguments": {"attack pattern": "place malware on a computer", "time": "NAN", "tool": "NAN", "attacker": "hackers", "damage amount": "NAN", "victim": "NAN", "place": "NAN", "payment method": "NAN", "price": "NAN"}}], "discover vulnerability": [], "phishing": [], "patch vulnerability": [], "data breach": []}